Mitsumasa (written: 光政, 光正 or 光雅) is a masculine Japanese
given name
A given name (also known as a forename or first name) is the part of a personal name quoted in that identifies a person, potentially with a middle name as well, and differentiates that person from the other members of a group (typically a fa ...
. Notable people with the name include:
* (born 1926), Japanese writer and illustrator
* (1609–1682), Japanese ''daimyō''
* (born 1977), Japanese footballer
* (1880–1948), Japanese admiral, politician and Prime Minister of Japan
{{given name
Japanese masculine given names